SILC (Secure Internet Live Conferencing) is a protocol which provides secure conferencing and chat services. It can be used to send any kind of messages, in addition to normal text messages, including multimedia messages like images, video, and audio stream. All messages in the SILC network are encrypted and authenticated, and messages can also be digitally signed. SILC protocol supports AES, SHA-1, SHA-2, PKCS#1, PKCS#3, X.509, OpenPGP, and is being developed in the IETF. The software is delivered as SILC Client for end users, SILC Server for system administrators, and SILC Toolkit for application developers.

The SeaMonkey project is a community effort to develop an all-in-one Internet application suite. It contains an Internet browser, email and newsgroup client with an included Web feed reader, HTML editor, IRC chat, and Web development tools, and is sure to appeal to advanced users, Web developers, and corporate users. It uses much of the Mozilla source code powering such successful siblings as Firefox, Thunderbird, Camino, Sunbird, and Miro.

MCabber is a small Jabber console client. It features SASL/TLS/SSL support, multi-user chat, PGP support, history logging, dynamic modules, and external actions triggers. It also has support for Aspell/Enchant for spell checking and OTR (Off-The-Record) messaging.

NetPlug is an extensible multi-connections,
multi-protocol, network client program, written in
pure Tcl/Tk. Includes a complete Irc client plug
in that you should love if you like IrcII
'classic' look & feel (plus customizable
style/colors scheme, sound,... Now includes full
DCC support (with GUI), ircII like aliases and
improved scripting (Tcl!), keywords (your nick...)
highlighting, and more

Fugu is a standalone, graphical client for the Gale instant messaging system. It is fully featured and supports all common Gale messaging operations. In addition, Fugu features a Windows port, multiple screens for different subscription lists, clickable URLs, thumbnail pictures showing the sender of each message, and configurable notification when new puffs arrive.

tiBot is an automated IRC connection, known as bot, intended to help channel ops manage their channels. There are already alot of other bots out there, but none had all I wanted in a bot, so i decided to build my own. It's currently not usable, but will have several new features in the future. Check the webpage for more information.

PowerBounce is an IRC proxy tool that allows you to bounce your IRC connection via another machine, making it appear that you are IRCing from that machine. It aims to be a simple, stable and extensible proxy with support for multiple users/vhosts, and is written in C++/STL.

Agora is a Web-based, threaded discussion tool, similar to Usenet newsgroups.
Agora remembers each user's preferences, and allows threaded, unread-only
browsing. It offers the ability to manage several different groups, with
different themes, forums, and administrators for each group. Agora offers a
basic Web-based ICQ client, as well as a Web-based notes system.